01: St. Clears – Llanelli (Developed + Not Signed)
Developed + Not Signed

02: Bristol – Wells (Developed + Not Signed)
Developed + Not Signed

03: Wells – Bridgwater (Developed + Not Signed)
Developed + Not Signed

04: Bampton – Barnstaple (Developed + Not Signed)

05: Barnstaple – Okehampton (Developed + Not Signed)

06: Okehampton – Plymouth (Developed + Not Signed)

07: Roscoff – Morlaix (Certified)
Certified

08: Morlaix – Carhaix-Plouguer (Certified)
Certified

09: Carhaix-Plouguer – Rostrenen (Certified)
Certified

10: Rostrenen – Mûr-de-Bretagne (Certified)

11: Mûr-de-Bretagne – Pontivy (Certified)

12: Pontivy – Josselin (Certified)

13: Josselin – Peillac (Certified)

14: Peillac – Redon (Certified)

15: Redon – Blain (Certified)

16: Blain – Nort-sur-Erdre (Certified)

17: Nort-sur-Erdre – Nantes (Certified)